The body of the tooth under the enamel is formed of a hard kind of bone called dentine.
"A Handbook of Health"
Woods Hutchinson
On the occlusal surfaces of the cheek-teeth, the enamel surrounding the dentine is incomplete on both the lingual and labial sides of the teeth of five individuals and is incomplete on the labial side of some of the teeth of a sixth specimen.
"Mammals Obtained by Dr. Curt von Wedel from the Barrier Beach of Tamaulipas, Mexico"
E. Raymond Hall
Pulp cavity, from which the processes of pulp and dentine radiate.
"The Student's Elements of Geology"
Sir Charles Lyell